body h3{
	font-size: 18px;
	color: red;
}
h4:first-of-type{
	font-size: 18px;
	color: green;
}
p{
	font-size: 14px;
}
.aa{
	width: 300px;height: 200px;
}
.bb{
	width: 300px;height: 200px;
}
#two{
	color: blue;
}
a[href="#"]{
	font-size: 14px;
	color: #640000;
}